A super bizarre experience of a Bonkura university student who longs for his sister-in-law! – My sister-in-law whose heart has been replaced by the time signature that fell from the stairs together. – My brother’s desire explodes in an unexpected happening! – I was deeply moved by the climax of a woman’s body by playing with her sister-in-law’s omako! – That alone is not enough, and begging for the loss of my virginity with the replaced body! – Can the two who are addicted to incest that is too strange be able to return to their original state? – ??